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Massive Audio M8C (Sold Individually)

160W Peak 80W RMS 8" M8C Series 8-ohm Mid-Range Closed Back Speaker

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160W Peak 80W RMS 8" M8C Series 8-ohm Mid-Range Closed Back Speaker

• 160 watts Peak Each, 80 watts RMS Each
• Paper cone material
• Impedance: 8 ohm
• Sensitivity: 98 dB

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Save $9 on install kits for this speaker

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List price $49.99
-20% $39.99

Available

Ships in 10-14 days

Massive Audio MM8A

340W Peak (170W RMS) 8" MM Series Midrange 4-ohm Speaker

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340W Peak (170W RMS) 8" MM Series Midrange 4-ohm Speaker

• 340 watts Peak, 170 watts RMS
• Hardened Paper cone material
• Impedance: 4 ohm
• Sensitivity: 92.4 dB

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Save $8 on install kits for this speaker

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List price $102.98
-22% $79.99

Available

Ships in 10-14 days

Massive Audio MM6 (Sold Individually)

240W Peak (120W RMS) 6.5" MM Series Midrange 4-ohm Speaker

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240W Peak (120W RMS) 6.5" MM Series Midrange 4-ohm Speaker

• 240 watts Peak, 120 watts RMS
• Hardened Paper cone material
• Impedance: 4 ohm
• Sensitivity: 95.6 dB

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Install kits available for this speaker

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List price $66.98
-25% $49.99

Available

Ships in 10-14 days

Massive Audio M6XL (Sold Individually) (Open Box, Great)

400W Peak (200W RMS) 6.5" Pro-Audio Midrange 8-ohm Speaker

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400W Peak (200W RMS) 6.5" Pro-Audio Midrange 8-ohm Speaker

• 400 watts Peak Each, 200 watts RMS Each
• Hardened Paper cone material
• Impedance: 8 ohm
• Sensitivity: 97 dB

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Save $3 on install kits for this speaker

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List price $74.99
-44% $41.99

In stock

Only 1 Left!

Massive Audio MC8II (Sold Individually) (Open Box, Great)

600W Peak (200W RMS) 8" MC Series 8-ohm Pro-Audio Midrange Car Speaker

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600W Peak (200W RMS) 8" MC Series 8-ohm Pro-Audio Midrange Car Speaker

• 600 watts Peak Each, 200 watts RMS Each
• Kevlar-Enhanced Paper cone material
• Impedance: 8 ohm
• Sensitivity: 98.1 dB

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Save $10 on install kits for this speaker

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List price $99.99
-44% $55.99

In stock

Only 1 Left!

Massive Audio M6 (Sold Individually) (Open Box, Great)

300W Peak (140W RMS) 6.5" M Series 8-ohm Midrange Car Speaker

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300W Peak (140W RMS) 6.5" M Series 8-ohm Midrange Car Speaker

• 300 watts Peak Each, 140 watts RMS Each
• Laminate-Treated Paper cone material
• Impedance: 8 ohm
• Sensitivity: 96 dB

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Save $13 on install kits for this speaker

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List price $49.99
-44% $27.99

In stock

Only 1 Left!

Massive Audio M6S (Sold Individually) (Open Box, Great)

300W Peak (130W RMS) 6.5" M Series 4-ohm Shallow Mid-Range Car Speaker

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300W Peak (130W RMS) 6.5" M Series 4-ohm Shallow Mid-Range Car Speaker

• 300 watts Peak Each, 130 watts RMS Each
• Laminate-Treated Paper cone material
• Impedance: 4 ohm
• Sensitivity: 100 dB
• Ultra shallow mounting depth

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Save $19 on install kits for this speaker

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Fits multiple locations in your DeVille
List price $84.99
-46% $45.49

In stock

Only 1 Left!

• 300 watts Peak Each, 130 watts RMS Each
• Laminate-Treated Paper cone material
• Impedance: 4 ohm
• Sensitivity: 100 dB
• Ultra shallow mounting depth

Massive Audio M8 (Sold Individually) (Open Box, Good)

280W Peak (150W RMS) 8" M Series 8-ohm Mid-Range Car Speaker

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280W Peak (150W RMS) 8" M Series 8-ohm Mid-Range Car Speaker

• 280 watts Peak Each, 150 watts RMS Each
• Laminate-Treated Paper cone material
• Impedance: 8 ohm
• Sensitivity: 96 dB

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Install kits available for this speaker

found car based on your search
Fits your DeVille
List price $62.49
-49% $31.79

In stock

Only 1 Left!

• 280 watts Peak Each, 150 watts RMS Each
• Laminate-Treated Paper cone material
• Impedance: 8 ohm
• Sensitivity: 96 dB

Massive Audio MA8 (Sold Individually) with Sound Damping

350W Peak (150W RMS) 8" MA Series 8-ohm Pro-Audio Midrange Car Speaker + NVX SDBSK2 Premium Sound Damping

MA-MA8_SDBSK2 big
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350W Peak (150W RMS) 8" MA Series 8-ohm Pro-Audio Midrange Car Speaker + NVX SDBSK2 Premium Sound Damping

• 350 watts Peak Each, 150 watts RMS Each
• Hardened Paper cone material
• Impedance: 8 ohm
• Sensitivity: 96 dB

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Fits your DeVille
47
List price $81.23
-26% $59.98

Available

Ships in 10-14 days

• 350 watts Peak Each, 150 watts RMS Each
• Hardened Paper cone material
• Impedance: 8 ohm
• Sensitivity: 96 dB

Massive Audio MA8 (Pair, 2-Total)

600W Max (300W RMS) 8" Pro Audio Midrange Component Car Speakers (Pair)

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600W Max (300W RMS) 8" Pro Audio Midrange Component Car Speakers (Pair)

• 300W Max Each, 150W RMS Each
• (Cone style and materials)
• 8 ohm Impedance
• Sensitivity: 96dB
• Mounting Depth: 3.03"

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Fits your DeVille
List price $124.98
-28% $89.98

Available

Ships in 10-14 days

• 300W Max Each, 150W RMS Each
• (Cone style and materials)
• 8 ohm Impedance
• Sensitivity: 96dB
• Mounting Depth: 3.03"

Massive Audio MC 8II (Pair, 2-Total)

1200W Max (400W RMS) 8" MC Series 8-Ohm Midrange Component Speakers (Pair)

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1200W Max (400W RMS) 8" MC Series 8-Ohm Midrange Component Speakers (Pair)

• 600W Max Each, 200W RMS Each
• 56 oz. Strontium Magnet
• Kevlar Impregnated Paper Cone
• 8 ohm Impedance
• Sensitivity: 98dB
• Mounting Depth: 3.15"

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your DeVille
List price $199.98
-20% $159.98

Available

Ships in 10-14 days

• 600W Max Each, 200W RMS Each
• 56 oz. Strontium Magnet
• Kevlar Impregnated Paper Cone
• 8 ohm Impedance
• Sensitivity: 98dB
• Mounting Depth: 3.15"

Massive Audio MB6 (Pair, 2-Total)

600W Max (300W RMS) 6.5" Pro Audio Mid Bass Component Car Speakers (Pair)

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600W Max (300W RMS) 6.5" Pro Audio Mid Bass Component Car Speakers (Pair)

• 300W Max Each, 150W RMS Each
• Hand-Treated Hardened Paper Cone
• 8 ohm Impedance
• Sensitivity: 97dB
• Mounting Depth: 2.64"

Save 15% Off Package Deals at Checkout!
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found car based on your search
Fits your DeVille
List price $139.98
-21% $109.98

Available

Ships in 10-14 days

• 300W Max Each, 150W RMS Each
• Hand-Treated Hardened Paper Cone
• 8 ohm Impedance
• Sensitivity: 97dB
• Mounting Depth: 2.64"

MB Quart PK1-113 with Speaker Installation Kit

600W Max (200W RMS) 8" MC Series 8-Ohm Midrange Component Speakers + NVX Speaker Baffles, Sound Dampening, Roller, and Panel Removal Kit

MC 8II, XBAF8, SDSK2, SDRLR1, BTK106 big
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600W Max (200W RMS) 8" MC Series 8-Ohm Midrange Component Speakers + NVX Speaker Baffles, Sound Dampening, Roller, and Panel Removal Kit

• 600W Max Each, 200W RMS Each
• 56 oz. Strontium Magnet
• Kevlar Impregnated Paper Cone
• 8 ohm Impedance
• Sensitivity: 98dB
• Mounting Depth: 3.15"

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
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Save $10 on install kits for this speaker

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Fits your DeVille
141
List price $282.69
-27% $205.79

Available

Ships in 10-14 days

• 600W Max Each, 200W RMS Each
• 56 oz. Strontium Magnet
• Kevlar Impregnated Paper Cone
• 8 ohm Impedance
• Sensitivity: 98dB
• Mounting Depth: 3.15"

Massive Audio MB6 with Installation Accessories

150W RMS 6.5" Mid Bass Component Speakers with Speaker Baffles, Sound Damping, Roller, and Panel Removal Kit

(2)MB6, XBAF65, SDSK2, SDRLR1, BTK106 big
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150W RMS 6.5" Mid Bass Component Speakers with Speaker Baffles, Sound Damping, Roller, and Panel Removal Kit

• 300W Max Each, 150W RMS Each
• Hand-Treated Hardened Paper Cone
• 8 ohm Impedance
• Sensitivity: 97dB
• Mounting Depth: 2.64"

Save 15% Off Package Deals at Checkout!
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Save $31 on install kits for this speaker

found car based on your search
Fits multiple locations in your DeVille
255
List price $227.69
-33% $153.51

Available

Ships in 10-14 days

• 300W Max Each, 150W RMS Each
• Hand-Treated Hardened Paper Cone
• 8 ohm Impedance
• Sensitivity: 97dB
• Mounting Depth: 2.64"

Massive Audio M6XL (Pair) with Speaker Installation Kit

400W Max (200W RMS) 6.5" Midrange Speakers with Sound Dampening, Speaker Baffles and Heavy Duty Roller

M6XL_2, XBAF65, SDSK2, SDRLR1 big
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400W Max (200W RMS) 6.5" Midrange Speakers with Sound Dampening, Speaker Baffles and Heavy Duty Roller

• 6-1/2" M Series Mid-Range Driver
• 400W Max
• 200W RMS
• 8 ohm Impedance
• Reinforced Paper Cone
• Foam Edge Surround
• 27oz. Ferrite Magnet

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Save $21 on install kits for this speaker

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182
List price $218.70
-39% $134.25

Available

Ships in 10-14 days

• 6-1/2" M Series Mid-Range Driver
• 400W Max
• 200W RMS
• 8 ohm Impedance
• Reinforced Paper Cone
• Foam Edge Surround
• 27oz. Ferrite Magnet

Massive Audio MA6 (Sold Individually) (Pair, 2-Total)

560W Max (280W RMS) 6.5" Pro Audio Midrange Car Speaker (Pair)

MA6_2 big
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560W Max (280W RMS) 6.5" Pro Audio Midrange Car Speaker (Pair)

• 280W Max Each, 140W RMS Each
• Hand-Treated Hardened Paper Cone
• 8 ohm Impedance
• Sensitivity: 96dB
• Mounting Depth: 2.3"

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2
List price $98.98
-29% $69.98

Available

Ships in 10-14 days

• 280W Max Each, 140W RMS Each
• Hand-Treated Hardened Paper Cone
• 8 ohm Impedance
• Sensitivity: 96dB
• Mounting Depth: 2.3"

Massive Audio M6XL (Pair, 2-Total)

800W Peak (400W RMS) 6.5" 8-Ohm Mid-range Speaker (Pair)

M6XL_2 big
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800W Peak (400W RMS) 6.5" 8-Ohm Mid-range Speaker (Pair)

• 6.5" M Series Mid-Range Driver
• 400W Max • 200W RMS
• 8 ohm Impedance
• Reinforced Paper Cone
• Foam Edge Surround
• 27oz. Ferrite Magnet

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your DeVille
List price $149.98
-33% $99.98

Available

Ships in 10-14 days

• 6.5" M Series Mid-Range Driver
• 400W Max • 200W RMS
• 8 ohm Impedance
• Reinforced Paper Cone
• Foam Edge Surround
• 27oz. Ferrite Magnet

Massive Audio MA6 (Sold Individually) with Sound Damping

280W Peak (140W RMS) 6.5" MA Series 8-ohm Pro-Audio Midrange Car Speaker + NVX SDBSK2 Premium Sound Damping

MA6_SDBSK2 big
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280W Peak (140W RMS) 6.5" MA Series 8-ohm Pro-Audio Midrange Car Speaker + NVX SDBSK2 Premium Sound Damping

• 280 watts Peak Each, 140 watts RMS Each
• Hardened Paper cone material
• Impedance: 8 ohm
• Sensitivity: 96 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your DeVille
49
List price $68.23
-27% $49.98

Available

Ships in 10-14 days

• 280 watts Peak Each, 140 watts RMS Each
• Hardened Paper cone material
• Impedance: 8 ohm
• Sensitivity: 96 dB

Massive Audio M6XL (Sold Individually) with Sound Damping

400W Peak (200W RMS) 6.5" 8-ohm Pro-Audio Midrange Car Speaker + NVX SDBSK2 Premium Sound Damping

M6XL_SDBSK2 big
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400W Peak (200W RMS) 6.5" 8-ohm Pro-Audio Midrange Car Speaker + NVX SDBSK2 Premium Sound Damping

• 400 watts Peak Each, 200 watts RMS Each
• Hardened Paper cone material
• Impedance: 8 ohm
• Sensitivity: 97 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
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Fits your DeVille
47
List price $93.73
-31% $64.98

Available

Ships in 10-14 days

• 400 watts Peak Each, 200 watts RMS Each
• Hardened Paper cone material
• Impedance: 8 ohm
• Sensitivity: 97 dB

Massive Audio MB6 (Sold Individually) with Sound Damping

300W Peak (150W RMS) 6.5" MB Series 4-ohm Pro-Audio Midrange Car Speaker + NVX SDBSK2 Premium Sound Damping

MB6_SDBSK2 big
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300W Peak (150W RMS) 6.5" MB Series 4-ohm Pro-Audio Midrange Car Speaker + NVX SDBSK2 Premium Sound Damping

• 300 watts Peak Each, 150 watts RMS Each
• Hardened Paper cone material
• Impedance: 8 ohm
• Sensitivity: 97 dB

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your DeVille
47
List price $88.73
-21% $69.98

Available

Ships in 10-14 days

• 300 watts Peak Each, 150 watts RMS Each
• Hardened Paper cone material
• Impedance: 8 ohm
• Sensitivity: 97 dB

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    FAQ for Speakers in 2004 DeVille

    Q: Can I upgrade or change the Speakers in 2004 Cadillac DeVille?

    A: Yes this page includes all the best Speakers that work in your DeVille.

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    Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

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    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.